A particle which is experiencing a force, given by
=3
12
undergoes a displacement of 
=4
. If the particle had a kinetic energy of 3 J at the beginning of the displacement, what is its kinetic energy at the end of the displacement?
(a)
15 J
(b)
10 J
(c)
12 J
(d)
9 J
A particle which is experiencing a force, given by=312 undergoes a displacement of =4. If the particle had a kinetic energy of 3 J at the beginning of the displacement, what is its kinetic energy at the end of the displacement?
(a)
15 J
(b)
10 J
(c)
12 J
(d)
9 J
Question ID - 50285 | SaraNextGen Top Answer
A particle which is experiencing a force, given by=312 undergoes a displacement of =4. If the particle had a kinetic energy of 3 J at the beginning of the displacement, what is its kinetic energy at the end of the displacement?
(a)
15 J
(b)
10 J
(c)
12 J
(d)
9 J
|
A particle which is experiencing a force, given by |
|||
|
(a) |
15 J |
(b) |
10 J |
|
(c) |
12 J |
(d) |
9 J |
1 Answer
127 votes
Answer Key / Explanation : (a) -
Work done =
=12J
Work energy theorem
=
12=
3
Kf =15J
127 votes
Answer Link
127